Wednesday

April 16, 2014

April 16, 2014

Posted by **mysterychicken** on Tuesday, May 26, 2009 at 11:29am.

Quadrilaterals are a special type of polygon because _______________.

A. they always have exactly four sides

B. the sum of their interior angles always measures 180°

C. they always have opposite sides that are parallel

D. they are always concave

Thanks

-MC

- Pre-Algebra -
**Ms. Sue**, Tuesday, May 26, 2009 at 11:31amLook at what a simple Google search found.

http://www.google.com/search?source=ig&hl=en&rlz=1G1GGLQ_ENUS328&q=Quadrilaterals&aq=f&oq=

- Pre-Algebra -
**mysterychicken**, Tuesday, May 26, 2009 at 11:34amThanks

-MC

**Related Questions**

math--fast help please - Find the interior and exterior angle measurements of a ...

math - find the sum of the measures of the intieior angles of each polygon. -...

Geometry - 1. How many sides does a regular polygon have if one exterior angle ...

math. - Each exterior angle of a regular polygon is 15 degrees. 1.Determine the ...

gr9math - how many sides does a polygon have if the sum of its interior angles ...

geometry - The sum of the measures of the interior angles in a polygon is 540 ...

Geometry - The sum of the interior angles of polygon is 1800. Find the number of...

geometry - If the ratio of the interior angle to the exterior angle is 5:1 for a...

Geometry - What is the sum of the measures of the interior angles of a convex ...

math - The measure of an interior angle of a regular polygon is 135 degrees. ...